diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-17 10:11:25 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-17 10:11:25 -0700 |
commit | 7b7adc4a016a1decb806eb71ecab98721fa7f146 (patch) | |
tree | 0a6f9a6e5659faa94604fbc575382a18f143c657 /include/asm-generic/io.h | |
parent | 31598e8713ef501c8f6aad2e2ec8a9457e8877c1 (diff) | |
parent | 289d6b0e287e0acd85f3e6b7ea6c2cb5c234909a (diff) |
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/epip/linux-2.6-unicore32
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/epip/linux-2.6-unicore32: (40 commits)
unicore32: rewrite arch-specific tlb.h to use asm-generic version
unicore32: modify io_p2v and io_v2p macros, and adjust PKUNITY_mmio_BASEs
unicore32: replace unicore32-specific iomap functions with generic lib implementation
unicore32 machine related: add frame buffer driver for pkunity-v3 soc
unicore32 machine related files: add i2c bus drivers for pkunity-v3 soc
unicore32 io: redefine __REG(x) and re-use readl/writel funcs
unicore32 i8042 upgrade and bugfix: adjust resource request region type
unicore32 upgrade to v2.6.38-rc5: add one more paramter for pte_alloc_map call
unicore32 i8042: adjust io funcs of i8042-unicore32io.h
unicore32: rename PKUNITY_IOSPACE_BASE to PKUNITY_MMIO_BASE
unicore32: modify function names and parameters for irq_chips
unicore32: remove unused lines in arch/unicore32/include/asm/irq.h
unicore32 time.c: change calculate method for clock_event_device
unicore32: ADD MAINTAINER for unicore32 architecture
unicore32 machine related files: ps2 driver
unicore32 machine related files: pci bus handling
unicore32 machine related files: hardware registers
unicore32 machine related files: core files
unicore32 additional architecture files: boot process
unicore32 additional architecture files: low-level lib: misc
...
Acked-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'include/asm-generic/io.h')
-rw-r--r-- | include/asm-generic/io.h | 33 |
1 files changed, 19 insertions, 14 deletions
diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h index 4644c9a7f724..e0ffa3ddb02a 100644 --- a/include/asm-generic/io.h +++ b/include/asm-generic/io.h @@ -94,6 +94,10 @@ static inline void __raw_writeq(u64 b, volatile void __iomem *addr) #define writeq(b,addr) __raw_writeq(__cpu_to_le64(b),addr) #endif +#ifndef PCI_IOBASE +#define PCI_IOBASE ((void __iomem *) 0) +#endif + /*****************************************************************************/ /* * traditional input/output functions @@ -101,32 +105,32 @@ static inline void __raw_writeq(u64 b, volatile void __iomem *addr) static inline u8 inb(unsigned long addr) { - return readb((volatile void __iomem *) addr); + return readb(addr + PCI_IOBASE); } static inline u16 inw(unsigned long addr) { - return readw((volatile void __iomem *) addr); + return readw(addr + PCI_IOBASE); } static inline u32 inl(unsigned long addr) { - return readl((volatile void __iomem *) addr); + return readl(addr + PCI_IOBASE); } static inline void outb(u8 b, unsigned long addr) { - writeb(b, (volatile void __iomem *) addr); + writeb(b, addr + PCI_IOBASE); } static inline void outw(u16 b, unsigned long addr) { - writew(b, (volatile void __iomem *) addr); + writew(b, addr + PCI_IOBASE); } static inline void outl(u32 b, unsigned long addr) { - writel(b, (volatile void __iomem *) addr); + writel(b, addr + PCI_IOBASE); } #define inb_p(addr) inb(addr) @@ -213,32 +217,32 @@ static inline void outsl(unsigned long addr, const void *buffer, int count) static inline void readsl(const void __iomem *addr, void *buf, int len) { - insl((unsigned long)addr, buf, len); + insl(addr - PCI_IOBASE, buf, len); } static inline void readsw(const void __iomem *addr, void *buf, int len) { - insw((unsigned long)addr, buf, len); + insw(addr - PCI_IOBASE, buf, len); } static inline void readsb(const void __iomem *addr, void *buf, int len) { - insb((unsigned long)addr, buf, len); + insb(addr - PCI_IOBASE, buf, len); } static inline void writesl(const void __iomem *addr, const void *buf, int len) { - outsl((unsigned long)addr, buf, len); + outsl(addr - PCI_IOBASE, buf, len); } static inline void writesw(const void __iomem *addr, const void *buf, int len) { - outsw((unsigned long)addr, buf, len); + outsw(addr - PCI_IOBASE, buf, len); } static inline void writesb(const void __iomem *addr, const void *buf, int len) { - outsb((unsigned long)addr, buf, len); + outsb(addr - PCI_IOBASE, buf, len); } #ifndef CONFIG_GENERIC_IOMAP @@ -269,8 +273,9 @@ static inline void writesb(const void __iomem *addr, const void *buf, int len) outsl((unsigned long) (p), (src), (count)) #endif /* CONFIG_GENERIC_IOMAP */ - -#define IO_SPACE_LIMIT 0xffffffff +#ifndef IO_SPACE_LIMIT +#define IO_SPACE_LIMIT 0xffff +#endif #ifdef __KERNEL__ |